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IC 8171 Injury Experience In Quarrying, 1960 ? Introduction And Summary
By John C. Machisak
THIS INFORMATION CIRCULAR contains injury and employment data for all stone quarries in the United States for the Calendar year 1960. This publication contains statistical data on injuries and employm
Jan 1, 1963
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Automatic Fire Protection For Surface Coal Augers - Objective:
Reduce the danger to personnel and destruction of equipment caused by fires on surface coal augers. Approach: A reasonably priced reliable system which automatically senses a fire and activates
Jan 1, 1976
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IC 8080 Progress In Controlling Acid Mine Water: A Literature Review ? Introduction And Summary
By Walter C. Lorenz
In connection with its renewed study seeking solutions to problems created by release of acid water from bituminous coal mines, the Bureau of Mines recently surveyed reports already written on the sub
Jan 1, 1962
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OFR-29(1)-85 Physiological Responses Of Miners To Emergency - Volume I - Self Contained Breathing Apparatus Stressors
By E. Kamon
This report summarizes completed research pertaining to the reaction of human subjects exposed to Self-Contained Breathing Apparatus (SCBA) stressors during escape conditions (viz., resistance breathi
Jan 1, 1984
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OFR-26-80 Low Velocity Performance Of Anemometers
By L. P. Purtell
The performance of ten anemometers of several types has been measured at low air speeds. Multiple calibration runs provided sufficient data for measuring random error about the mean calibration curve
Jan 1, 1979
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RI 3495 The Eykometer - A New Device For Measurement Of The Yield Point Of Clay Suspensions And Oil-Well Drilling Muds ? Introduction
By A. George Stern
[In the examination of bentonitic clay suspensions used for oil-well drilling fluids3/ (and for other purposes, such as a core binder for foundry sand) it is important to have comparative tests for ev
Jan 1, 1940
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RI 3495 The Eykometer - A New Device For Measurement Of The Yield Point Of Clay Suspensions And Oil-Well Drilling Muds ? Introduction (7fd31193-d283-41c7-90b4-e8cc03288534)
By A. George Stern
In the examination of bentonitic clay suspensions used for oil-well drilling fluids3/ (and for other purposes, such as a core binder for foundry sand) it is important to have comparative tests for eva
Jan 1, 1940
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OFR-111-83 Development Of A Prototype Retrofit Noise Control Treatment For Jumbo Drills
By Nicholas R. Dixon
This report summarizes all work performed under Phases I, II and III of U.S. Bureau of Mines Contract H0387006, "Development of a Prototype Retrofit Noise Control Treatment for Jumbo Drills." The nois
Jan 1, 1982
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RI 8250 Splice Flexure Performance Factors in Shuttle Car Trailing Cables
By George J. Conroy
To provide data as a basis for proposed acceptance standards and procedures covering permanent splices in trailing cables, the Bureau of Mines conducted testing programs on the flexure life in flat ty
Jan 1, 1977
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RI 3586 Preliminary Report On The Flotation Of Bauxite ? Introduction
By J. B. Clemmer
This report summarizes the results of u laboratory study of the beneficiation of Arkansas bauxite by flotation. Although the investigation is not yet completed, a preliminary retort of the results on
Jan 1, 1941
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RI 3586 Preliminary Report On The Flotation Of Bauxite ? Introduction (ac12c6b0-21f7-4176-bc03-aa490cce21e2)
By J. B. Clemmer
This report summarizes the results of u laboratory study of the beneficiation of Arkansas bauxite by flotation. Although the investigation is not yet completed, a preliminary retort of the results on
Jan 1, 1941
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RI 5491 Refractory Properties Of Alabama Bauxitic Kaolins - Summary
By P. G. Pigott
The lack of technical information regarding the physical characteristics of kaolins and bauxitic kaolins, rejected during the mining of bauxite near Eufaula, Ala., has retarded their commercial utiliz
Jan 1, 1959
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RI 7734 An Automatic Data Acquisition System For Underground Measurements
By J. R. McVey
A 10-channel automatic data acquisition system has been designed and environmentally packaged for use with underground strain-gage applications and associated instruments. The system uses commercially
Jan 1, 1973
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IC 9218 Bureau Of Mines Geotechnical Centrifuge Research - A Review
By Paul C. McWilliams
The U.S. Bureau of Mines has, primarily through its contract program, used large-scale centrifuges to determine design criteria for tailing embankments. The centrifuge runs were made at two installati
Jan 1, 1989
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RI 3503 A Polarizing Comparison-Microscope For Use In Petrographic Measurements ? Introduction
By George T. Faust
The petrographer engaged in examining the products resulting from the beneficiation of ores, and rock minerals is constantly required to develop new means acid methods of assaying microscopically the
Jan 1, 1940
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OFR-16-88 Shearer Mounted Dust Collector; Evaluation Of Ventilated Cutting Drums
By Jonathan S. Kelly
Effective control of respirable dust is one of the most serious problems associated with longwall mining in the United States. This report describes the development and the underground evaluation of v
Jan 1, 1987
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RI 6045 Radioactive Waste Disposal In The Shiprock-Type Uranium Milling Flowsheet ? Summary
By K. E. Tame
The Bureau of Mines is studying possible modifications in conventional uranium ore-processing steps to confine and permit controlled disposal of radioactive wastes. A potential method of minimizing po
Jan 1, 1962
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RI 8130 Dust Dispersal by Explosion-Induced Airflow - Entrainment by Airblast
By J. M. Singer
In this Bureau of Mines study coal and rock dust beds were entrained by airblasts generated by gas explosions at the closed end of a 0.61-m-diameter explosion tunnel, 49.7 m long. The system was desig
Jan 1, 1976
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How To Find The Major Dust Sources
By Jon C. Volkwein
In This Chapter [Instruments for measuring dust How to calculate the amount of dust from a source How to get a valid concentration measurement Sampling to assess control technology effec
Jan 6, 2003
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RI 7138 Effect Of Ammonia In Cyanide Solution On Copper Extraction From A Michigan Ore
By A. F. Colombo
Bench-scale research was undertaken to determine if adding ammonia to cyanide leaching solutions would enhance the extraction of copper from an argillaceous Michigan copper ore. Two leaching technique
Jan 1, 1968